Item 1 of the TMS pre-intervention "I experienced myself as separate from my changing thoughts and feelings."
0 = Not at all
1 = A little
2 = Moderately
3 = Quite a bit
4 = Very much

Item 1 of the PANAS pre-intervention "Interested"
1 = Very slightly or not at all
2 = A little
3 = Moderately
4 = Quite a bit
5 = Extremely

Experimental condition, 1= Low-end, 2= Medium-end, 3= High-end HMD group
1 = Low
2 = Med
3 = High

Item 1 of the IPQ "In the computer generated world, I had a sense of "being there"."
1 = Not at all
2 = 2
3 = 3
4 = 4
5 = 5
6 = 6
7 = Very much

Item 2 of the IPQ "Somehow I felt that the virtual world surrounded me."
1 = Fully disagree
2 = 2
3 = 3
4 = 4
5 = 5
6 = 6
7 = Fully agree

Item 3 of the IPQ "How aware were you of the real world surrounding while navigating in the virtual world? (i.e. sounds, room temperature, other people, etc.)"
1 = Extremely aware
2 = 2
3 = 3
4 = Moderately aware
5 = 5
6 = 6
7 = Not aware at all

Item 4 of the IPQ "How real did the virtual world seem to you?"
1 = Not real at all
2 = 2
3 = 3
4 = 4
5 = 5
6 = 6
7 = Completely real

Item 5 of the IPQ "I felt like I was just perceiving pictures."
1 = Fully agree
2 = 6
3 = 5
4 = 4
5 = 3
6 = 2
7 = Fully disagree

Item 7 of the IPQ "How much did your experience in the virtual environment seem consistent with your real world experience?"
1 = Not consistent
2 = 2
3 = 3
4 = 4
5 = 5
6 = 6
7 = Very consistent

Item 8 of the IPQ "I did not feel present in the virtual space."
1 = Felt present
2 = 6
3 = 5
4 = 4
5 = 3
6 = 2
7 = Did not feel present

Item 10 of the IPQ "How real did the virtual world seem to you?"
1 = About as real as an imagined world
2 = 6
3 = 5
4 = 4
5 = 3
6 = 2
7 = Indistinguishable from the real world

Item 1 of the ITQ "Do you easily become deeply involved in movies or TV dramas?"
1 = Never
2 = 2
3 = 3
4 = Occasionally
5 = 5
6 = 6
7 = Often

Item 9 of the ITQ "How mentally alert do you feel at the present time?"
1 = Not alert
2 = 2
3 = 3
4 = Moderately alert
5 = 5
6 = 6
7 = Fully alert

Item 13 of the ITQ "How good are you at blocking out external distractions when you are involved in something?"
1 = Not very good
2 = 2
3 = 3
4 = Somewhat good
5 = 5
6 = 6
7 = Very good

Item 16 of the ITQ "How well do you concentrate on enjoyable activities?"
1 = Not at all
2 = 2
3 = 3
4 = Moderately well
5 = 5
6 = 6
7 = Very well

Item 1 of the CSQ "Headache"
0 = None
1 = Slight
2 = Moderate

Item 1 of the CSQ8 "How would you rate the quality of service you received?"
1 = Poor
2 = Fair
3 = Good
4 = Excellent

Item 2 of the CSQ8 "Did you get the kind of service you wanted?"
1 = No, definitely not
2 = No, not really
3 = Yes, generally
4 = Yes, definitely

Item 3 of the CSQ8 "To what extent has our program met your needs?"
1 = None of my needs have been met
2 = Only a few of my needs have been met
3 = Most of my needs have been met
4 = Almost all of my needs have been met

Item 5 of the CSQ8 "How satisfied are you with the amount of help you have received?"
1 = Quite dissatisfied
2 = Indifferent or mildly dissatisfied
3 = Mostly satisfied
4 = Very satisfied

Item 6 of the CSQ8 "Have the services you received helped you to deal more effectively with your problems?"
1 = No, they seemed to make things worse
2 = No, they really did not help
3 = Yes, they helped somewhat
4 = Yes, they helped a great deal

1 = No, definitely not
2 = No, I don't think so
3 = Yes, I think so
4 = Yes, definitely